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CN-121988722-A - Magnesium alloy wheel hub apparatus for producing convenient to drawing of patterns

CN121988722ACN 121988722 ACN121988722 ACN 121988722ACN-121988722-A

Abstract

The application discloses a magnesium alloy hub production device convenient for demolding, which comprises a female die assembly, a male die holder, a male die assembly and a push rod, and further comprises a spray unit, wherein the spray unit comprises a fixed shaft which is connected with the male die holder in a rotating mode, an adapter shaft which is detachably connected with the push rod, a male die profiling spraying assembly which is fixedly connected with the upper end of the adapter shaft, an adapter rod which is fixedly connected with the male die profiling spraying assembly at one end and is detachably connected with the fixed shaft at the other end, a liquid supply assembly which is communicated with the male die profiling spraying assembly is arranged on the adapter rod, one end of the female die profiling spraying assembly is vertically and slidingly connected with the lower end of the adapter shaft so as to enter a cavity of the female die assembly, and the female die profiling spraying assembly is simultaneously communicated with the liquid supply assembly. The application can solve the problem that the existing release agent spraying equipment cannot ensure that the release agent is uniformly and completely coated on the whole die cavity of the die.

Inventors

  • Ding Jiehang
  • LI QICHANG
  • WANG ZHENG
  • HUANG ZIHONG
  • FAN WENJIE

Assignees

  • 重庆新型储能材料与装备研究院

Dates

Publication Date
20260508
Application Date
20260202

Claims (10)

  1. 1. The magnesium alloy hub production device convenient to demolding comprises a female die assembly (1), a male die seat (2), a male die assembly (3) and a push rod (4), wherein the male die seat (2) is fixedly installed right above the female die assembly (1), the male die assembly (3) is vertically and slidingly connected with the male die seat (2) and is matched with the female die assembly (1) to form a hub forming cavity, the push rod (4) is vertically and slidingly connected with the male die seat (2) to realize ejection of a formed part, and the magnesium alloy hub production device is characterized in that the push rod (4) is also coaxially and rotationally connected with the male die seat (2), and the magnesium alloy hub production device further comprises a spray unit, wherein the spray unit comprises: a fixed shaft (5) rotatably connected to the punch holder (2); the upper end of the switching shaft (6) is detachably connected with the ejector rod (4); The male die profiling spraying assembly (7) is fixedly connected to the upper end of the adapter shaft (6) so as to realize the spraying operation of the release agent of the male die assembly (3); The male die profiling spraying assembly (7) is fixedly connected to the connecting rod (8), and the male die profiling spraying assembly (7) is detachably connected to the fixed shaft (5); And one end of the female die profiling spraying assembly (9) is vertically and slidingly connected with the lower end of the switching shaft (6) so as to enter the cavity of the female die assembly (1), and the female die profiling spraying assembly (9) is simultaneously communicated with the liquid supply assembly (81).
  2. 2. The magnesium alloy hub production device convenient for demolding according to claim 1, wherein the male die profiling spraying assembly (7) comprises a male die profiling tube (71) fixedly connected to the adapter shaft (6) and a male die spray head (72) communicated with the male die profiling tube (71), two ends of the male die profiling tube (71) are closed, and the side wall of the male die profiling tube (71) is communicated with the liquid supply assembly (81).
  3. 3. The magnesium alloy hub production device convenient for demolding according to claim 2, wherein the female die profiling spraying assembly (9) comprises a fixing rod (91) with the upper end vertically connected to the lower end of the adapter shaft (6) in a sliding mode, a female die profiling pipe (92) fixedly connected to the fixing rod (91) and a female die spray head (93) communicated with the female die profiling pipe (92), two ends of the female die profiling pipe (92) are closed, and the side wall of the female die profiling pipe (92) is communicated with the liquid supply assembly (81).
  4. 4. The magnesium alloy hub production device convenient to demolding according to claim 3, wherein the adapter shaft (6) is vertically provided with a clamping groove (61), the groove bottom of the clamping groove (61) is communicated with a avoiding groove (62), the upper end of the adapter shaft (6) is fixedly connected with a top plate (63), the adapter shaft (6) is sleeved with a spring (64) fixedly connected with the top plate (63), the upper end of the fixing rod (91) is fixedly connected with a clamping block (911) which is matched with and slidingly connected with the clamping groove (61), the clamping block (911) is fixedly connected with a bottom plate (912) and a stressed plate (913) which is slidingly connected with the avoiding groove (62), the bottom plate (912) is fixedly connected with the lower end of the spring (64), and the lower end of the push rod (4) is coaxially and spirally connected with a force application rod (41) which is in butt joint with the stressed plate (913).
  5. 5. The magnesium alloy hub production device convenient for demolding according to claim 4, wherein an arc-shaped groove (9131) is formed in the upper side of the stress plate (913), the arc-shaped groove (9131) horizontally penetrates through two sides of the stress plate (913), a ring (411) which is adapted to and clamped into the arc-shaped groove (9131) is formed at the lower end of the force application rod (41), and the ring (411) and the force application rod (41) are coaxial.
  6. 6. A magnesium alloy hub production device convenient for demolding according to claim 3, wherein the liquid supply assembly (81) comprises a storage tank (811), a pump (812) with a liquid inlet end communicated with the storage tank (811) and a tee joint (813) with a liquid inlet end communicated with a liquid outlet end of the pump (812), two liquid outlet ends of the tee joint (813) are respectively communicated with a male die liquid supply pipe (814) and a female die liquid supply pipe (815), the male die liquid supply pipe (814) is communicated with the male die profiling spraying assembly (7), and the female die liquid supply pipe (815) is communicated with the female die profiling spraying assembly (9).
  7. 7. The magnesium alloy hub production device convenient for demolding according to claim 6, wherein the male die liquid supply pipe (814) and the female die liquid supply pipe (815) are hoses.
  8. 8. The magnesium alloy hub production device convenient for demoulding according to claim 6, wherein the male die liquid supply pipe (814) is provided with a male die flow controller (8141), and the female die liquid supply pipe (815) is provided with a female die flow controller (8151).
  9. 9. A magnesium alloy hub production device convenient for demoulding according to claim 8, wherein at least two groups of spray units are arranged, each male die profiling tube (71) is provided with one male die spray head (72), each female die profiling tube (92) is provided with one female die spray head (93), the spray areas of all male die spray heads (72) are combined to form a to-be-mould cavity spray area of a male die assembly (3), and the spray areas of all female die spray heads (93) are combined to form a to-be-mould cavity spray area of a female die assembly (1).
  10. 10. The magnesium alloy hub production device convenient for demolding according to any one of claims 1 to 9, wherein the side wall of the ejector rod (4) is provided with a jack (42), the ejector rod (4) is provided with a vertical hole along the length direction thereof, the vertical hole is communicated with the jack (42) and vertically penetrates through the upper end of the ejector rod (4), the vertical hole is vertically and slidably connected with a vertical rod (43), the adapter shaft (6) is fixedly connected with an inserting block (65) which is adapted to be inserted into the jack (42), the inserting block (65) is provided with a limiting hole (651), and the lower end of the vertical rod (43) is adapted to be inserted into the limiting hole (651).

Description

Magnesium alloy wheel hub apparatus for producing convenient to drawing of patterns Technical Field The application relates to the technical field of hub production equipment, in particular to a magnesium alloy hub production device convenient for demolding. Background Magnesium alloy hubs are increasingly used in the automotive industry for their excellent lightweight properties. As a near net shape forming process, extrusion casting can produce magnesium alloy hubs with high mechanical properties and compact tissues, such as the die and the method disclosed in patent CN 115041636B. The die realizes the zonal pressure application and the feeding of different parts of the hub through complex structures such as the upper male die, the pressing sleeve, the combined female die, the core with the coordination of the springs and the like, and effectively improves the quality of castings. To facilitate release, release agents are typically sprayed onto the surfaces of the mold cavity prior to closing the mold to form a release film in production. In the prior art, there is an automatic spraying device as disclosed in patent CN120362396B, which drives a nozzle unit to enter between mold parting surfaces through a mechanical arm to spray. However, if the spraying device is directly applied to the spraying operation of the upper die or the lower die of the casting die, such as the spraying operation of the extrusion casting die described in CN115041636B, there is a problem that the complex hub cavity is unevenly covered by the serious release agent spraying, in which the spraying device cannot effectively reach and uniformly cover the concave, negative angle or deep-masked cavity surface, resulting in thin or missing release agent film in these areas, which affects smooth demoulding. Disclosure of Invention The application mainly aims to provide a magnesium alloy hub production device convenient for demolding, so as to solve the problem that the existing demolding agent spraying equipment cannot ensure that the demolding agent is uniformly and completely coated on the whole mold cavity. In order to achieve the above purpose, the application provides a magnesium alloy hub production device convenient for demolding, which comprises a female die assembly, a male die holder, a male die assembly and a push rod, wherein the male die holder is fixedly arranged right above the female die assembly, the male die assembly is vertically and slidingly connected with the male die holder and is matched with the female die assembly to form a hub forming cavity, the push rod is vertically and slidingly connected with the male die holder so as to realize ejection of a formed part, and the push rod is also coaxially and rotationally connected with the male die holder, the magnesium alloy hub production device further comprises a spray unit, and the spray unit comprises: The fixed shaft is rotationally connected with the convex die holder; the upper end of the switching shaft is detachably connected with the ejector rod; the male die profiling spraying assembly is fixedly connected to the upper end of the transfer shaft so as to realize the spraying operation of the release agent of the male die assembly; The male die profiling spraying assembly comprises a male die profiling spraying assembly, a fixing shaft, a conversion rod, a liquid supply assembly and a liquid supply assembly, wherein one end of the conversion rod is fixedly connected with the male die profiling spraying assembly, and the other end of the conversion rod is detachably connected with the fixing shaft; and one end of the female die profiling spraying assembly is vertically and slidingly connected with the lower end of the transfer shaft so as to enter a cavity of the female die assembly, and the female die profiling spraying assembly is simultaneously communicated with the liquid supply assembly. Further, the male die profiling spraying assembly comprises a male die imitation tube fixedly connected to the adapter shaft and a male die spray head communicated with the male die profiling tube, two ends of the male die imitation tube are closed, and the side wall of the male die profiling tube is communicated with the liquid supply assembly. Further, the female die profiling spraying assembly comprises a fixing rod, a female imitation tube and a female die spray head, wherein the upper end of the fixing rod is vertically and slidably connected to the lower end of the transfer shaft, the female imitation tube is fixedly connected to the fixing rod, the female die spray head is communicated with the female imitation tube, two ends of the female imitation tube are closed, and the side wall of the female die profiling tube is communicated with the liquid supply assembly. Further, the adapter shaft is vertically provided with a clamping groove, the bottom of the clamping groove is communicated with a avoidance groove, the upper end of the adapter shaft is fixedly connected wi